CVE-2021-48008: Chanjet CRM SQL Injection via get_usedspace.php

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-18 · updated 2026-09-24
Weakness: CWE-89

Description

Chanjet CRM contains an unauthenticated SQL injection vulnerability that allows remote attackers to execute arbitrary SQL queries by manipulating the site_id GET parameter in the webservice endpoint. Attackers can exploit the lack of input sanitization or parameterization through UNION-based injection techniques to extract sensitive data from the underlying database. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-18.

Affected products

Chanjet Information Technology Co., Ltd. CRM: all versions

References

https://raw.githubusercontent.com/projectdiscovery/nuclei-templates/main/http/vulnerabilities/chanjet-tplus/chanjet-crm-sqli.yaml
https://www.chanjet.com/
https://www.cnvd.org.cn/flaw/show/CNVD-2021-12845
https://www.vulncheck.com/advisories/chanjet-crm-sql-injection-via-get-usedspace-php

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